Unless stated otherwise, competition details are available from riba Competitions Office, 6 Melbourne Street, Leeds LS2 7PS, tel: 0113 234 1335, fax: 0113 224 4170 or 0113 246 0744, email: riba.competitions@mail. riba.org
Entertainment Centre for the Twenty-first Century. (aj 14.1.99). Submission deadline 15.3.99.
Zero co2 Housing, sustainable development for brownfield sites. Single- stage ideas competition for the design of low-enery homes. Submission deadline 26.2.99.
Britannia Basin Competition, Manchester. (aj 12.11.98). Submission deadline 8.2.99.
Akzo Nobel Woodcare (aj 30.7.98). Submission deadline July 1999.
British Steel Architectural Award Competition 1999. Submission deadline 15.7.99.
Envisioning California's Great Central Valley: housing the next 10 million. Open international competition. Programmes available from January 1999 and submissions by May 1999.
Conversion of the Keroman Submarine Base, Lorient, France. Submission deadline 4.6.99.
Millennium Garden Competition, University of Nottingham (aj 17/24.12.98).